Flange work (NOG 118)
Course calender with avalible seats
About the course:
This course is based on the Norwegian Oil and Gas Association's manual ' 118 - Guide to Flange Work' (Håndbok i flensearbeid) and is designed to provide knowledge of the preliminary work, planning, execution and documentation associated with assembling flanges using tensioning bolts fitted to flange connections on high-pressure hydrocarbon process systems.
The course involves a combination of theory and practical exercises concluding with an online exam that takes about 2 hours to complete
Mechanics, Industrial plumbers, Process technicians, Supervisors, Planners, Apprentices, Contractors' expert technicians who perform new installations and maintenance on pressure tanks, heat exchangers, valves and pipes (process installations) involving flange assemblies and braces.
This course addresses the most common work operations involved in flange work on ASME RF/FF, ASME RTJ, API, NCF5 Compact and Clamped connections. The course includes the following main topics:
- Flanges and gaskets
- Follow-up inspections
Executing professionals who require OLF-certification in order to perform independent work involving flanges should possess one of the following (or equivalent):
- Certification as a Mechanic or Industrial Plumber
- Have a minimum of 2 years of practical experience working on flanges in HC systems.
If the candidate does not possess a relevant certificate, his or her employer must be able to verify and vouch that the candidate has adequate qualifications and practical experience (minimum 2 years) of work on flanges in HC systems.
On completion of the course, students should be proficient in:
- Governance documentation regarding flange and splitting flanges
- Finding the correct torque values/tables
- The most common types of flanges used
- The planning, execution and documentation of work on hydrocarbon pipes and flanges
- Straightening non-aligned pipes/flanges.
- Performing the controlled tightening of flanges
- Preventing leaks of process fluid from equipment fitted with flanges
- Verifying that pipe supports are working as intended following flange assembly
- The structure of P&ID and pipe line numbering
- Understanding relevant drawings
- Utilising both hydraulic tensile and torque tools when tightening the bolts
- Choosing the correct bolts, gaskets and lubricant according to pipe class sheet (PCS) and torque table.
- Knowing their own knowledge limitations, and what should be done in order to prevent accidents and asset loss.
- Knowing when professional advice from supervisory engineers employed by their own organisation or the operator is required.
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